WASHINGTON, D.C.

A senior Obama administration political appointee and longtime aide to Homeland Security Secretary Janet Napolitano resigned Saturday amid allegations of inappropriate sexual behavior lodged by at least three Immigration and Customs Enforcement employees. Suzanne Barr, chief of staff to John Morton, the agency’s director, said in her resignation letter that the allegations are ‘‘unfounded.’’ She said she was stepping down to end distractions within the agency. (AP)

NEW YORK

Teen sticks head out of bus and dies

NEW YORK — A teenager headed to a sweet 16 party was killed after he stuck his head out of the emergency hatch of a double-decker bus and hit the underside of a highway overpass, authorities said. The accident followed the warnings of a security guard on the bus who said he told the teens repeatedly not to open the hatch. (AP)

GEORGIA

Fan dies after Georgia Dome fall

ATLANTA — A 20-year-old man from Tennessee who plunged about 35 feet from the upper level of the Georgia Dome and struck another fan during the Tennessee-North Carolina State game has died, authorities said Saturday. The man fell on another fan seated in the mezzanine area during the game Friday evening, The Georgia World Congress Center Authority said in a statement. (AP)